Half to frank jones



(No Mode L G. A. WILLIAMS.

COFFEE POT.

Patented Jan. 13, 1891.

FIC'=7 J UNITED STATES PATENT EEICE.

GEORGE A. \VILLIAMS, OF SAN FRANCISCO, CALIFORNIA, ASSIGNOR OF ONE- HALFTO FRANK JONES, OF SAME PLACE.

COFFEE-POT.

SPECIFICATION forming part of Letters Patent No. 444,572, dated January13, 1891.

Application filed September 12, 1890. Serial No. 364,773. (No model.)

To all whom it may concern: The cloth being secured in place between Beit known that I, GEORGE A. IVILLIAMS, the rings, they are then droppedinto the seea citizen of the United States, residing in the tion 13,resting upon the bottom flange O, as city and county of San Francisco,State of shown, and in this condition the inner section 55 California,have invented an Improvement in is ready to receive the cofiee.

Coffee-Pots; and I hereby declare the follow- Upon the side of the outercontaining vesing to be a full, clear, and exact description sel A issecured a spring F, the end of which of the same. extending above thetop of the vessel A is so My invention relates to an improved conbent asto press against the side of the vessel 6o 10 struction for coffee-pots.B when the latter is raised within the vessel It consists of acylindrical outer chamber, A, or when the vessel B is pressed down so asecond cylindrical chamber adapted to telethat its upper rim rests uponthe upper rim scope within the outer one, in which it fits of the vesselA and the cover G is in place snugly, a removable clamp for the interiorthe upper end of the springs retains them by 65 I 5 chamber adapted tosecure within it a bottom pressing above the upper edges thereof.

of fibrous flexible material and a spring so The vessel B does notextend quite to the fixed with relation to the two parts of the potbottom of the vessel A, andwhen coffee is to that the inner portion maybe held at any debe made therein a suitable quantity is placed siredpoint by the action of this spring. in the vessel 13, resting upon thefibrous bot- 70 Referring to the accompanying drawings tom, and water ispoured in until the outer for a more complete explanation of my invenandinner vessels are filled up to the desired tion, Figure 1 is an exteriorview of the cofpoint. The coffee within the inner vessel fee-pot,showing the interior section raised then remains submerged inthewateruntilthe and held in place by the spring. Fig. 2 is a extracthas been made of sufficient strength, 7

vertical section taken through the central after which the inner chamber13 may be line showing the construction of the parts. raised up withinthe outer one until the bot- A is the outer containing portion of mycoftom is above the surface of the contained fee-pot, which may be madeof any suitable liquid, and whatever of the extract remains size and iscylindrical in form. within the inner vessel will slowly filter 80 B isthe interior portion, which is also made through into the outer vesselA, where it recylindrical and of a size just sufficient to slip mains aperfectly clear liquid, ready to be easily within the outer containingportion A. poured off through the spout and out of con- The portion 13has a flange Cturned inwardly tact with the coffee-grounds which areconaround the bottom, and this flange serves to tained within the innervessel. 8

3 5 hold the clamping-rings of the falsebottomin It will be manifestthat whenever desired place. These ringsD D are made to slip one theinner vessel may be entirely lifted out of over the other, the outer onehaving suffithe outer one, and the cover can then be cient diameter todrop inside the bottomless placed upon the outer vessel, the curvedsection B, and adapted torest upon the flange spring acting to hold itin place and prevent o O at the bottom of the section B. The inner itsfalling off, which might otherwise occur ring is sufliciently smallerthan the outer one on account of its being somewhat smaller to admit apiece of fine flannel cloth E or than the outer vessel. other suitablefibrous or textile material to Having thus described my invent-ion, whatbe clamped between the two, the cloth be- I claim as new, and desire tosecure by Letters 5 ing sufficiently larger than the diameter of Patent,is-

the rings, so that its edges will turn up and 1. A coffeepot consistingof the cylindrical be clamped between these rings while the outercontaining vessel, a corresponding cycloth is stretched across thebottom of the lindrical bottomless inner chamber fitted to rings, andbeing clamped between the two it telescope within the outer one, andhaving an I00 is held sufficiently tight for the desiredpurinwardly-turned flange at the bottom, a plupose. ral number ofconcentric clamping-rings fitted tween them so as to form a bottom forthe in- 15 ner cylinder, in combination with a spring fixed on theoutside of the outer vessel and adapted to press upon the side of theinner cylinder and to hold it at any desired point when raised Withinthe outer cylinder, sub- 20 stantially as herein described.

In witness whereof I have hereunto set my hand.

GEORGE A. WILLIAMS.

Witnesses:

GEO. H. STRONG, FRANK J ONES.

